MasterPro Thermal Expansion / Loose Internal Components

Multicooker makes loud clicking, popping, or metallic noises during heating.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Loose heating plate mounting screws, Warped inner pot, Loose inner chassis brackets, Debris between pot and heating plate

How to Fix / Troubleshooting

Safety first: Unplug and cool the cooker before inspection.

Simple checks:

  • Remove the inner pot and inspect the heating plate for debris or foreign objects; clean thoroughly.
  • Check that the inner pot is not warped and sits flat.

Internal checks:

  • Remove the bottom cover and inspect the mounting screws for the heating plate and inner chassis. Tighten any loose screws.
  • Look for signs of arcing or burning near the heater terminals; repair or replace damaged connectors.

Note: Some mild clicking from metal expansion is normal, but loud or new noises after a drop or impact should be investigated.

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Repair Difficulty

Medium 3/5

Required Part

Heating Plate Assembly
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